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2026-08-17 - 04:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Aug 17, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3197213069,7sleep30-21swapper/319:05:263
3548212563,8sleep10-21swapper/119:09:531
3261212365,6sleep20-21swapper/219:06:142
3303211263,9sleep00-21swapper/019:06:440
2284721110,0sleep122846-21ssh21:26:371
55322650,0sleep15538-21needreboot00:20:211
78692640,5sleep2373599cyclictest23:11:402
117062630,0sleep30-21swapper/322:05:013
320572610,1sleep229-21rcuc/200:05:162
79592600,0sleep30-21swapper/300:21:473
124122600,0sleep30-21swapper/322:31:403
43882590,1sleep30-21swapper/322:42:343
78292560,1sleep010-21rcuc/023:11:390
172592550,0sleep00-21swapper/021:39:130
568924845,2sleep30-21swapper/320:31:223
3223424845,2sleep30-21swapper/320:27:243
1501824844,3sleep30-21swapper/320:12:243
734324541,3sleep30-21swapper/321:04:293
897424135,3sleep30-21swapper/321:49:483
1730524036,3sleep30-21swapper/320:44:583
1843823731,3sleep30-21swapper/323:15:553
2486623633,2sleep30-21swapper/319:51:243
2644623430,3sleep30-21swapper/320:24:373
187223330,2sleep30-21swapper/319:34:073
3730993210,21cyclictest0-21swapper/000:35:000
884323125,3sleep30-21swapper/323:25:493
373599310,15cyclictest0-21swapper/219:15:102
373099303,1cyclictest0-21swapper/022:22:220
373099293,14cyclictest0-21swapper/019:40:000
373099291,4cyclictest0-21swapper/023:40:150
373099290,3cyclictest0-21swapper/022:51:130
373099290,2cyclictest0-21swapper/000:12:210
373099290,16cyclictest0-21swapper/000:35:020
373299284,18cyclictest0-21swapper/122:05:201
373299284,18cyclictest0-21swapper/122:05:201
373299280,27cyclictest0-21swapper/123:42:411
373099284,20cyclictest0-21swapper/000:19:550
3730992818,6cyclictest755-21snmpd21:34:490
3730992812,13cyclictest0-21swapper/000:03:120
373099280,26cyclictest0-21swapper/021:26:200
373099280,16cyclictest0-21swapper/023:06:120
955022722,2sleep30-21swapper/322:16:353
3735992723,3cyclictest0-21swapper/200:12:032
373599270,26cyclictest5783-21kworker/2:123:24:562
373599270,26cyclictest0-21swapper/223:35:472
373599270,26cyclictest0-21swapper/219:43:062
373299270,26cyclictest0-21swapper/123:39:411
373299270,26cyclictest0-21swapper/123:04:591
373299270,26cyclictest0-21swapper/122:00:131
373299270,26cyclictest0-21swapper/119:23:551
373299270,25cyclictest13345-21ssh22:45:311
3730992718,8cyclictest755-21snmpd19:13:130
3730992712,13cyclictest0-21swapper/021:45:470
373099270,4cyclictest0-21swapper/022:25:030
373099270,25cyclictest0-21swapper/023:01:350
373099270,23cyclictest0-21swapper/023:19:420
373099270,1cyclictest0-21swapper/022:07:030
373099270,1cyclictest0-21swapper/022:07:020
373099270,19cyclictest12096-21awk21:05:210
373099270,15cyclictest0-21swapper/021:43:230
2834022721,3sleep30-21swapper/320:52:313
2266022723,3sleep30-21swapper/319:23:183
1358722724,2sleep30-21swapper/319:41:033
982022622,2sleep30-21swapper/323:13:153
933722623,2sleep30-21swapper/320:06:343
781722623,2sleep30-21swapper/319:38:273
3735992622,3cyclictest0-21swapper/221:03:442
373599260,25cyclictest0-21swapper/223:03:272
373599260,25cyclictest0-21swapper/221:59:582
373599260,25cyclictest0-21swapper/220:10:502
373299260,25cyclictest0-21swapper/123:30:131
373299260,25cyclictest0-21swapper/121:58:071
373099265,19cyclictest0-21swapper/023:30:170
3730992618,7cyclictest755-21snmpd19:30:340
3730992616,8cyclictest755-21snmpd23:45:350
3730992614,11cyclictest0-21swapper/022:11:390
3730992613,4cyclictest0-21swapper/022:33:390
3730992613,10cyclictest0-21swapper/021:20:000
373099261,21cyclictest0-21swapper/000:24:020
373099260,2cyclictest0-21swapper/021:50:140
373099260,2cyclictest0-21swapper/021:16:330
373099260,25cyclictest0-21swapper/023:56:050
373099260,25cyclictest0-21swapper/022:17:220
373099260,19cyclictest0-21swapper/023:28:410
3266122621,2sleep30-21swapper/323:23:083
1413222622,3sleep30-21swapper/319:45:123
899722521,3sleep30-21swapper/319:11:133
3735992521,3cyclictest0-21swapper/222:43:322
3735992518,7cyclictest0-21swapper/200:39:152
3735992516,8cyclictest0-21swapper/221:40:552
3732992522,3cyclictest0-21swapper/122:13:011
3732992517,7cyclictest0-21swapper/121:15:291
3732992517,7cyclictest0-21swapper/100:37:341
3732992516,8cyclictest0-21swapper/121:21:031
373299250,24cyclictest0-21swapper/123:59:491
373299250,18cyclictest0-21swapper/122:55:191
3730992518,6cyclictest755-21snmpd20:14:290
3730992517,7cyclictest755-21snmpd19:40:470
3730992515,9cyclictest0-21swapper/000:05:040
3730992514,10cyclictest0-21swapper/022:56:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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